Special feature: "Latest Audio Kit Listening Report"
●General Transformer Sales A-01TRCR-6550/KT88 Single Amplifier Set by Kenji Tezuka ●Toei Transformer EL34 Single Amplifier Kit TPA-01 by Koichi Hanzawa ●Kyoritsu Electronics Power Supply Noise Filter Kit Wonder Pure WP-NF100V Editorial Department Listening: Takashi Iwai/Koichi Hanzawa "MJ Zoom Up"
●New Prime DAC-9X D/A converter with built-in headphone amplifier/STA-9X Class A drive stage, Class D output stage power amplifier●Denon PMA-900HNE Integrated amplifier compatible with network audio●EAT Fortissimo S 2 motor belt drive analog player●Falcon Lab MODEL D102 2-way speaker system●DS Audio ES-001 Eccentricity detection and correction stabilizer "Creating an original sound system"
●11W output from a single triode tube DA42 single DDC power amplifier Susumu Seiya●EL34 single 6W hybrid power amplifier with FET input + MOS-FET source follower drive configuration Kenji Tezuka●DC amplifier series No.284 8Ω load 12.5W x 2, 448A first stage, pnpTr cascode differential amplifier second stage, 421A & 6C19P SEPP output stage ●421A vacuum tube DC power amplifier [part 2] Akihiko Kaneda●Support for the design and production of audio amplifiers using a computer Vol. 39 The challenge of discrete D/A converters Adjusting and listening to a DSD evaluation board Heisuke Ikeda●Intensive short-term series All-stage non-feedback DC integrated amplifier with phono equalizer for MC Vol. 2 Main amplifier characteristics and peripheral circuit construction Masayuki Hashimoto●Design and production of small speakers aiming for a high-efficiency, high-sound-quality system Vol. 173 Takahisa Ozawa ● Creating high-performance, high-quality speakers using the latest measurements and designs [Part 20] High-performance 2-way system using wave guides and aluminum diaphragms Selection of woofers and enclosure design Kohei Suzuki
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MJ Radio and Experiments September 2022 Issue | Seibundo Shinkosha Co., Ltd. (seibundo-shinkosha.net)